Huperzia Serrata - What is it for, Dosage and Side Effects

Huperzia serrata is a rare Chinese plant, which is also known as Chinese moss (chinese club moss). From it is made the extraction of an active ingredient called huperzine A or hup A, which can be used in some medicinal applications.

What is it for?

Huperzia serrata extract, huperzine A, has been used in China for centuries to help treat a number of conditions including fever, inflammation and bleeding disorders.

Huperzia serrata can still be used to aid in the development of Alzheimer's disease and disorders related to memory loss, in addition to to be adopted in cases of menstrual irregularities and to eliminate excess fluid in the body by increasing the production of urine.

Already in the United States, the substance is available in the form of a supplement that is used to aid memory support. The product can still be used by healthy individuals to contribute to brain cognitive strength as the brain ages.

The production of the remedy huperzine A begins with the plant, but goes through many processes of manipulation in the laboratory, giving rise to a medicine that can also be used in cases of myasthenia gravis (muscle disease) to increase alertness and energy and to protect against nerve damage such as some gases.

Side effects

Huperzine A, the extract of huperzia serrata, does not usually cause serious side effects. However, in rare cases adverse reactions such as difficulty in breathing, chest pain, skin rashes, digestive problems and insomnia may develop.

The following adverse reactions may also be experienced with the use of the remedy with huperzine A: blurred vision, diarrhea, vomiting, slurred speech, restlessness, loss appetite, contraction and trembling of muscle fibers, increased saliva and urine, inability to control urine, high blood pressure and heart.

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In addition, there is insufficient information to guarantee safety of huperzia serrata and it can also cause dizziness, nausea and perspiration.

When experiencing any type of side effect due to the use of the plant and its extract, look for the doctor of your confidence to know how to proceed so that it is safer for your doctor. Cheers.


People suffering from asthma, chronic obstructive pulmonary disease, cardiovascular disease, obstruction of the treatment bowel obstruction, urogenital tract obstruction, gastrointestinal ulcer and convulsions should not make use of the serrata

This is because the plant has compounds that can affect the nervous system in a way that can do harm to people who have these conditions.

People who suffer with slow heart rate, heart problems, epilepsy, gastrointestinal blockage, peptic ulcers, lung problems like asthma and emphysema and blockage in the urinary system or the reproductive system should also be careful when using huperzine A, always counting on the supervision of the doctor.

Another warning is for women who are breastfeeding or pregnant: as there are not enough data on the use of huperzia serrata in these women, the recommendation is that they be cautious and avoid use it.


For healthy people, physicians often recommend that the active ingredient of huperzia serrata, huperzine A, be ingested no more than two to four times a week.

The proper dosage of huperzia serrata varies from person to person, depending on a number of factors such as age and health.

It is essential to consult your doctor to find out the dosage that is appropriate for your case, for how long the product can be used and pay attention to the information contained on the packaging of products containing huperzia serrata and extracts thereof purchase. All this not to take an inadequate dosage and end up harming the health of the body itself.


Before using huperzia serrata or the supplements and medicines with your extract (huperzine A), it is essential to consult with the doctor and start use only if he authorizes it. This is important to make sure that the substance will really benefit your case and that it will not hurt you.

How can it interact with a number of medications, including medicines used to treat Alzheimer's disease, increasing its effects you need to tell your doctor about all the medicines you are using to make sure there are no interaction.


Did you already know the huperzia serrata? Do you know anyone who has taken supplements with this plant? Are you curious to try it? Comment below!

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